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Home >> Chevrolet >> 2015 >> Impala Limited LTZ >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Keyless Entry System And Remote Functions >> Diagnostic Information and Procedures >> DTC B2976: Driver Door Ajar >> Component Testing

Component Testing

  1. Ignition OFF, disconnect the harness connector at the driver door lock.
  2. Test for infinite resistance between the signal terminal and the ground terminal listed below with the switch in the open position:
    • Signal terminal 4 and ground terminal 6 (Without UA6)
    • Signal terminal 6 and ground terminal 8 (With UA6)
    • If less than infinite resistance 

      Replace the driver door lock.

    • If infinite resistance 
  3. Test for less than 3 Ω between the signal terminal and the ground terminal listed below with the switch in the closed position.
    • Signal terminal 4 and ground terminal 6 (Without UA6)
    • Signal terminal 6 and ground terminal 8 (With UA6)
    • If 3 Ω or greater 

      Replace the driver door lock.

    • If less than 3 Ω 
  4. All OK
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